Cynoglossus feldmanni (Bleeker, 1854)
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
Cynoglossus feldmanni, commonly known as the River tonguesole is a species of tonguefish occurring in freshwater. It is commonly found in Thailand, Laos, Borneo, Sumatra and Cambodia. It occurs in rivers in freshwater well above the tidal zone where it lives on the bottom feeding on benthic invertebrates.
Wikipedia contributors, Cynoglossus feldmanni; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:27:59.780275+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Cynoglossus feldmanni (Bleeker, 1854)
- Name authority
- (Bleeker, 1854)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Pleuronectiformes
- Family
- Cynoglossidae
- Genus
- Cynoglossus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: no · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderPleuronectiformes
- suborderPleuronectoidei
- familyCynoglossidae Jordan, 1888
- subfamilyCynoglossinae Jordan, 1888
- genusCynoglossus Hamilton, 1822
- speciesCynoglossus feldmanni (Bleeker, 1854)
Close classified relatives
These entries share the source’s genus, Cynoglossus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Nigerian tongue soleCynoglossus browni Chabanaud, 1949 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus dollfusi (Chabanaud, 1931) | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| fourline tonguesoleCynoglossus attenuatus Gilchrist, 1904 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus monodi Chabanaud, 1949 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus maculipinnis Rendahl, 1921 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus puncticeps (Richardson, 1846) | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus macrolepidotus (Bleeker, 1851) | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus joyneri Günther, 1878 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus suyeni Fowler, 1934 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus cadenati Chabanaud, 1947 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus gracilis Günther, 1873 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
| Cynoglossus pottii Steindachner, 1902 | CynoglossidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Cynoglossus hardenbergi Norman, 1931 Norman, 1931 | synonym |
| Plagusia feldmanni Bleeker, 1854 Bleeker, 1854 | synonym |
| Arelia feldmanni (Bleeker, 1854) (Bleeker, 1854) | synonym |
| Cynoglossus abentoni Stauch, 1966 Stauch, 1966 | synonym |
| Cynoglossus aubentoni Stauch, 1966 Stauch, 1966 | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=1026886 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:6C5Y6. Classification follows source parent identifiers. English common names may vary by region.